@incollection{Pal19, author = {Suman Kapur and Anuradha Pal}, title = {Immune Cell Activation: Stimulation, Costimulation, and Regulation of Cellular Activation}, booktitle = {Immune Response Activation and Immunomodulation}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {Rajeev K. Tyagi and Prakash S. Bisen}, chapter = {5}, doi = {10.5772/intechopen.81568}, url = {https://doi.org/10.5772/intechopen.81568} }